3y-(y-5)=9

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Solution for 3y-(y-5)=9 equation:


Simplifying
3y + -1(y + -5) = 9

Reorder the terms:
3y + -1(-5 + y) = 9
3y + (-5 * -1 + y * -1) = 9
3y + (5 + -1y) = 9

Reorder the terms:
5 + 3y + -1y = 9

Combine like terms: 3y + -1y = 2y
5 + 2y = 9

Solving
5 + 2y = 9

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + 2y = 9 + -5

Combine like terms: 5 + -5 = 0
0 + 2y = 9 + -5
2y = 9 + -5

Combine like terms: 9 + -5 = 4
2y = 4

Divide each side by '2'.
y = 2

Simplifying
y = 2

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